:root{--bg-primary: #0d1117;--bg-surface: #161b22;--bg-surface-hover: #21262d;--border-color: #30363d;--text-primary: #e6edf3;--text-secondary: #8b949e;--accent-blue: #58a6ff;--accent-green: #39d353;--font-sans: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 5rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .6);--shadow-glow-blue: 0 0 20px rgba(88, 166, 255, .15);--bg-surface-alt: #0d1117;--text-accent: var(--accent-blue);--accent-orange: #f89820;--accent-red: #f85149;--accent-green-bg: rgba(57, 211, 83, .1);--accent-green-border: rgba(57, 211, 83, .25);--accent-blue-bg: rgba(88, 166, 255, .08);--accent-blue-border: rgba(88, 166, 255, .2);--accent-blue-hover: #79c0ff}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img,video{display:block;max-width:100%}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font-family:inherit}ul,ol{list-style:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.container{max-width:1100px;margin:0 auto;padding:0 1.5rem}.section{padding:var(--space-3xl) 0}.section-title{font-size:clamp(1.5rem,4vw,2rem);font-weight:700;color:var(--text-primary);margin-bottom:var(--space-sm);letter-spacing:-.02em}.section-title span{color:var(--accent-blue)}.section-subtitle{font-size:1rem;color:var(--text-secondary);margin-bottom:var(--space-2xl);max-width:560px}.section-header{margin-bottom:var(--space-2xl)}.btn{display:inline-flex;align-items:center;gap:var(--space-sm);padding:.625rem 1.25rem;border-radius:var(--radius-md);font-size:.9rem;font-weight:500;transition:all var(--transition-base);cursor:pointer;text-decoration:none}.btn-primary{background:var(--accent-blue);color:#0d1117;border:1px solid var(--accent-blue)}.btn-primary:hover{background:#79c0ff;border-color:#79c0ff;transform:translateY(-1px)}.btn-secondary{background:transparent;color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{border-color:var(--accent-blue);color:var(--accent-blue);transform:translateY(-1px)}.card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--space-lg);transition:border-color var(--transition-base),box-shadow var(--transition-base)}.card:hover{border-color:var(--accent-blue);box-shadow:var(--shadow-glow-blue)}.badge{display:inline-flex;align-items:center;gap:var(--space-xs);padding:.25rem .625rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:500;background:var(--bg-surface-hover);color:var(--text-secondary);border:1px solid var(--border-color);font-family:var(--font-mono);transition:color var(--transition-fast),border-color var(--transition-fast)}.badge:hover{color:var(--accent-blue);border-color:var(--accent-blue)}:focus-visible{outline:2px solid var(--accent-blue);outline-offset:3px;border-radius:var(--radius-sm)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.skip-link{position:fixed;top:-100%;left:50%;transform:translate(-50%);z-index:9999;padding:.75rem 1.5rem;background:var(--accent-blue);color:var(--bg-primary);border-radius:0 0 var(--radius-md) var(--radius-md);font-weight:600;font-size:.875rem;text-decoration:none;transition:top var(--transition-fast)}.skip-link:focus{top:0;outline:2px solid var(--accent-blue);outline-offset:2px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media (min-width: 768px){.container{padding:0 2rem}}@media (min-width: 1024px){.container{padding:0 1.5rem}}:root{--transition-theme: .3s ease}.light-theme{--bg-primary: #ffffff;--bg-surface: #f8f9fa;--bg-surface-hover: #e9ecef;--bg-surface-alt: #f1f3f5;--border-color: #dee2e6;--text-primary: #212529;--text-secondary: #495057;--accent-blue: #2563eb;--accent-blue-hover: #1d4ed8;--accent-blue-bg: rgba(37, 99, 235, .08);--accent-blue-border: rgba(37, 99, 235, .2);--accent-green: #15803d;--accent-green-bg: rgba(21, 128, 61, .1);--accent-green-border: rgba(21, 128, 61, .25);--accent-red: #dc2626;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--shadow-glow-blue: 0 0 20px rgba(37, 99, 235, .1)}.dark-theme{--bg-primary: #0d1117;--bg-surface: #161b22;--bg-surface-hover: #21262d;--bg-surface-alt: #0d1117;--border-color: #30363d;--text-primary: #e6edf3;--text-secondary: #8b949e;--accent-blue: #58a6ff;--accent-blue-hover: #79c0ff;--accent-blue-bg: rgba(88, 166, 255, .08);--accent-blue-border: rgba(88, 166, 255, .2);--accent-green: #39d353;--accent-green-bg: rgba(57, 211, 83, .1);--accent-green-border: rgba(57, 211, 83, .25);--accent-red: #f85149;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .6);--shadow-glow-blue: 0 0 20px rgba(88, 166, 255, .15)}body,.card,.btn,input,textarea{transition:background-color var(--transition-theme),color var(--transition-theme),border-color var(--transition-theme),box-shadow var(--transition-theme)}.lang-switcher{display:inline-flex;align-items:center;gap:.125rem;padding:.3rem .625rem;border-radius:var(--radius-md);border:1px solid var(--border-color);background:transparent;font-family:var(--font-mono);font-size:.75rem;font-weight:500;cursor:pointer;transition:border-color var(--transition-fast);line-height:1}.lang-switcher:hover{border-color:var(--accent-blue)}.lang-option{color:var(--text-secondary);transition:color var(--transition-fast)}.lang-option.active{color:var(--accent-blue);font-weight:700}.lang-divider{color:var(--border-color);font-weight:400}.theme-toggle{display:flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;background:transparent;border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;color:var(--text-secondary);transition:color var(--transition-fast),border-color var(--transition-fast)}.theme-toggle:hover{color:var(--accent-blue);border-color:var(--accent-blue)}.theme-toggle svg{transition:transform var(--transition-base)}.theme-toggle:hover svg{transform:rotate(15deg)}.theme-toggle:active{transform:scale(.95)}.header{position:fixed;top:0;left:0;right:0;z-index:100;height:64px;display:flex;align-items:center;background:transparent;backdrop-filter:none;-webkit-backdrop-filter:none;border-bottom:1px solid transparent;transition:background var(--transition-base),border-color var(--transition-base),backdrop-filter var(--transition-base)}.header--scrolled{background:color-mix(in srgb,var(--bg-primary) 92%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom-color:var(--border-color)}@supports not (background: color-mix(in srgb,black 50%,transparent)){.header--scrolled{background:var(--bg-primary)}}.header__inner{max-width:1100px;margin:0 auto;padding:0 var(--space-lg);width:100%;display:flex;align-items:center;justify-content:space-between}.header__logo{font-family:var(--font-mono);font-size:1.2rem;font-weight:700;color:var(--accent-blue);text-decoration:none;letter-spacing:-.02em}.header__nav{display:none;align-items:center;gap:var(--space-xs)}@media (min-width: 768px){.header__nav{display:flex}}.header__nav-link{padding:.375rem .75rem;border-radius:6px;font-size:.875rem;font-weight:500;color:var(--text-secondary);text-decoration:none;position:relative;transition:color var(--transition-fast);cursor:pointer}.header__nav-link:hover{color:var(--text-primary)}.header__nav-link--active,.header__nav-link--active:hover{color:var(--accent-blue)}.header__actions{display:flex;align-items:center;gap:var(--space-sm);margin-left:var(--space-md)}.header__mobile-controls{display:flex;align-items:center;gap:var(--space-sm)}@media (min-width: 768px){.header__mobile-controls{display:none}}.header__hamburger{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:36px;height:36px;cursor:pointer;background:none;border:1px solid var(--border-color);border-radius:6px;padding:6px;transition:border-color var(--transition-fast)}.header__hamburger:hover{border-color:var(--accent-blue)}.header__bar{display:block;width:18px;height:2px;background:var(--text-secondary);border-radius:2px;transition:transform .2s ease,opacity .2s ease;transform-origin:center}.header__bar--open-top{transform:rotate(45deg) translate(5px,5px)}.header__bar--open-mid{transform:scaleX(0);opacity:0}.header__bar--open-bottom{transform:rotate(-45deg) translate(5px,-5px)}.header__mobile-menu{display:flex;flex-direction:column;gap:var(--space-sm);position:fixed;top:64px;left:0;right:0;bottom:0;background:color-mix(in srgb,var(--bg-primary) 98%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:var(--space-xl) var(--space-lg);z-index:99;overflow-y:auto}@supports not (background: color-mix(in srgb,black 50%,transparent)){.header__mobile-menu{background:var(--bg-primary)}}@media (min-width: 768px){.header__mobile-menu{display:none}}.header__mobile-link{padding:.75rem 1rem;border-radius:var(--radius-md);font-size:1.1rem;font-weight:500;color:var(--text-primary);text-decoration:none;background:transparent;border:1px solid transparent;transition:all var(--transition-fast);cursor:pointer;display:block}.header__mobile-link:hover{background:var(--accent-blue-bg);border-color:var(--accent-blue-border);color:var(--accent-blue)}.header__mobile-link--active{color:var(--accent-blue);background:var(--accent-blue-bg);border-color:var(--accent-blue-border)}.footer{background:var(--bg-surface);border-top:1px solid var(--border-color);padding:2rem 0}.footer__inner{max-width:1100px;margin:0 auto;padding:0 1.5rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem}.footer__left{display:flex;flex-direction:column;gap:.25rem}.footer__name{font-weight:600;color:var(--text-primary);font-size:.95rem}.footer__copy,.footer__built{font-size:.8rem;color:var(--text-secondary)}.footer__socials{display:flex;align-items:center;gap:.75rem}.footer__icon-link{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:8px;color:var(--text-secondary);border:1px solid var(--border-color);transition:color .15s ease,border-color .15s ease,background .15s ease;text-decoration:none}.footer__icon-link:hover{color:var(--accent-blue);border-color:var(--accent-blue);background:var(--accent-blue-bg)}.hero-section{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding-top:80px}.hero-grid-bg{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(48,54,61,.3) 1px,transparent 1px),linear-gradient(90deg,rgba(48,54,61,.3) 1px,transparent 1px);background-size:40px 40px;mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,black 30%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 80% 80% at 50% 50%,black 30%,transparent 100%);pointer-events:none}.hero-gradient-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 60% 50% at 50% 0%,var(--accent-blue-bg) 0%,transparent 70%);pointer-events:none}.hero-inner{max-width:1100px;margin:0 auto;padding:0 1.5rem;width:100%;position:relative;z-index:1}.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.3rem .875rem;border-radius:var(--radius-full);font-size:.8rem;font-weight:500;background:var(--accent-green-bg);color:var(--accent-green);border:1px solid var(--accent-green-border);margin-bottom:1.5rem;font-family:var(--font-mono)}.hero-badge-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-green);animation:hero-pulse-green 2s ease-in-out infinite}.hero-h1{font-size:clamp(2.5rem,7vw,4.5rem);font-weight:700;color:var(--text-primary);letter-spacing:-.03em;line-height:1.1;margin-bottom:.5rem}.hero-h2{font-size:clamp(1.1rem,3vw,1.5rem);font-weight:500;color:var(--accent-blue);font-family:var(--font-mono);margin-bottom:1.25rem;letter-spacing:-.01em}.hero-bio{font-size:1rem;color:var(--text-secondary);line-height:1.7;max-width:520px;margin-bottom:2rem}.hero-cta-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:2rem}.hero-btn-primary{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.375rem;border-radius:var(--radius-md);font-size:.9rem;font-weight:600;background:var(--accent-blue);color:var(--bg-primary);border:1px solid var(--accent-blue);text-decoration:none;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast)}.hero-btn-primary:hover{background:var(--accent-blue-hover);border-color:var(--accent-blue-hover)}.hero-btn-secondary{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.375rem;border-radius:var(--radius-md);font-size:.9rem;font-weight:500;background:transparent;color:var(--text-primary);border:1px solid var(--border-color);text-decoration:none;cursor:pointer;transition:border-color var(--transition-fast),color var(--transition-fast),transform var(--transition-fast)}.hero-btn-secondary:hover{border-color:var(--accent-blue);color:var(--accent-blue)}.hero-btn-secondary:disabled{opacity:.6;cursor:wait}.hero-social-row{display:flex;gap:.75rem;align-items:center}.hero-social-link{display:flex;align-items:center;gap:.4rem;color:var(--text-secondary);text-decoration:none;font-size:.85rem;transition:color var(--transition-fast)}.hero-social-link:hover{color:var(--text-primary)}.hero-social-separator{color:var(--border-color)}.hero-scroll-indicator{position:absolute;bottom:2rem;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:.25rem;color:var(--text-secondary);font-size:.75rem;cursor:pointer;text-decoration:none;animation:hero-bounce 2s ease-in-out infinite}@keyframes hero-pulse-green{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.85)}}@keyframes hero-bounce{0%,to{transform:translate(-50%) translateY(0)}50%{transform:translate(-50%) translateY(6px)}}